Your furnace plays the most vital role in giving you home comfort. During winter, your furnace radiates heat to keep you and your family warm. In summer, your furnace moves in refreshing, conditioned air from your cooling system. And with the right furnace, it can even provide constant air circulation, to keep your family healthy and comfortable. Many of Carrier’s furnaces do it so efficiently you will be elated when you see how low your utility bill is.